Stock-Based Compensation (Tables)
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12 Months Ended |
Mar. 31, 2025 |
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| Share-Based Payment Arrangement [Abstract] |
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| Schedule of Stock-Based Compensation Expense |
Total stock-based compensation expense consists of the following:
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Years Ended 31 March |
| (Millions of US dollars) |
2025 |
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2024 |
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2023 |
| Liability Awards |
$ |
2.7
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$ |
17.3 |
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$ |
2.7 |
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| Equity Awards |
23.0
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28.2 |
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15.7 |
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| Total stock-based compensation expense |
$ |
25.7
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$ |
45.5 |
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$ |
18.4 |
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| Summary of Stock Options Available for Grant |
The following summarizes the Company’s shares available for grant as options, RSUs or other equity instruments under the LTIP and 2001 Plan:
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Shares
Available for
Grant |
Balance at 31 March 2023 |
18,948,803
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| Granted |
(1,169,733) |
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Balance at 31 March 2024 |
17,779,070
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| Granted |
(1,175,352) |
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Balance at 31 March 2025 |
16,603,718
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| Schedule of Stock Options Roll Forward |
The following summarizes the Company’s stock options activity during the noted period:
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Outstanding Options |
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Number of Options |
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Weighted Average
Exercise Price (A$) |
Balance at 31 March 2023 |
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269,221 |
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33.05 |
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| Granted |
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— |
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— |
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Balance at 31 March 2024 |
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269,221 |
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33.05 |
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| Granted |
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— |
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— |
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Balance at 31 March 2025 |
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269,221 |
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33.05 |
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Options exercisable at 31 March 2025 |
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— |
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— |
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| Restricted Stock Unit Activity |
The following summarizes the Company’s RSU activity:
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| (Units) |
Service
Vesting
(2001 Plan) |
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Performance
Vesting
(LTIP) |
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Market
Conditions (LTIP) |
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Total |
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Weighted
Average Fair
Value at Grant
Date (A$) |
Outstanding at 31 March 2023 |
1,136,526
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372,029
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870,044
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2,378,599
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26.97
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| Granted |
533,278 |
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176,624 |
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459,831 |
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1,169,733 |
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43.20 |
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| Vested |
(373,440) |
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(90,452) |
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(42,581) |
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(506,473) |
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30.88 |
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| Forfeited |
(68,712) |
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(13,299) |
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(173,643) |
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(255,654) |
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25.63 |
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Outstanding at 31 March 2024 |
1,227,652
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444,902
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1,113,651
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2,786,205
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33.36
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| Granted |
527,577 |
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250,826 |
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396,949 |
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1,175,352 |
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45.57 |
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| Vested |
(532,445) |
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(104,434) |
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(1,490) |
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(638,369) |
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35.86 |
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| Forfeited |
(121,585) |
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(5,609) |
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(322,022) |
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(449,216) |
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28.64 |
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Outstanding at 31 March 2025 |
1,101,199
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585,685
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1,187,088
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2,873,972
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38.64
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| Assumptions Used to Fair Value Restricted Stock Grants |
The following includes the assumptions used to fair value the RSU grants (market condition):
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| Vesting Condition: |
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Market |
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Market |
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FY25 |
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FY24 |
| Date of grant |
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17-Aug-24 |
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1-Sep-23 |
| Dividend yield (per annum) |
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— |
% |
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— |
% |
| Expected volatility |
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37.9 |
% |
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35.4 |
% |
| Risk free interest rate |
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3.9 |
% |
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4.6 |
% |
| Expected life in years |
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3.0 |
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3.0 |
| JHX stock price at grant date (A$) |
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51.99 |
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46.72 |
| Number of restricted stock units |
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396,949 |
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451,945 |
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| Schedule of Fair Value of Restricted Stock Units Vested |
The following presents the total fair value of all of our restricted stock units vested:
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Years ended 31 March |
| (Millions of US dollars) |
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2025 |
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2024 |
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2023 |
| Total fair value vested |
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$ |
22.3
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$ |
16.1 |
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$ |
18.4 |
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| Cash Settled Units Activity |
The following represents the activity related to the CSUs:
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FY25 |
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FY24 |
| Granted |
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500,610 |
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529,875 |
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| Vested |
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232,420 |
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177,955 |
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| Cancelled |
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88,382 |
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125,144 |
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